The performance and emissions characteristics for both Dimethyl Ether(DME) and diesel fueled ZS195 diesel engine have been investigated.
研究了ZS195柴油机燃用不同比例的柴油、二甲醚混合燃料动力性能和排放性能。
The spray wall-impingement experiments of dimethyl ether(DME) and diesel were carried out in a constant volume chamber by using a high speed camera.
在压力定容室内，利用高速摄影机对二甲醚（DME）和柴油进行了喷雾碰壁的试验研究。
Dimethyl ether (DME) is a new, clean alternative fuel of diesel.
二甲基醚(DME)是一种新型的、清洁的柴油机替代燃料。
The spray impingement of DME is simulated and compared with that of diesel.
利用该模型对二甲基醚碰壁过程进行了模拟计算，并与柴油作了对比分析。
In addition to the significant merit of no soot emission, DME would be of better ignition quality, lower autoignition temperature and better atomization compared to diesel fuel.
除了无碳烟排放的重要特点以外，和柴油相比二甲醚还具有较好的燃烧性能、较低的自燃温度和较好的雾化特性。
The results show that at the same fuel delivery advance angle, engine speed and load, the line peak pressure and rate of pressure increment and decrement of DME are lower than that of diesel fuel.
试验结果表明：在供油提前角、转速和负荷相同的情况下，燃用二甲醚时油管泵端和嘴端压力的上升和下降速度、压力峰值都比燃用柴油时低；
Since the ignition delay of DME is shorter than that of diesel, thus makes the lower value of maximum cylinder pressure, maximum rate of pressure rise and combustion noise.
二甲醚喷油延迟角比柴油大，最高爆发压力、最大压力升高率、燃烧噪声比柴油低；
The experimental method of this paper is firstly to do an interactive experiment between DME and diesel fuel to prove that the blended fuel can meet the diesel engine requirements.
本文的实验方法是先对二甲醚和柴油做了互溶性实验，证明混合燃料可以达到在柴油机上掺烧的要求。
Near the chamber wall and impingement spray, the spray angle of the diesel fuel spray increased very fast, but that of the DME spray almost had no significant change.
在燃烧室壁面附近，柴油的喷雾锥角迅速增大，而DME喷雾锥角几乎没有明显的变化。
Dimethyl ether (DME) is one kind of the new type and the clean alternative fuels for diesel engine.
二甲醚(DME)是一种新型的、清洁的柴油机替代燃料。
Among many coal-based substitutes for conventional diesel, dimethyl ether (DME) has prominent characteristics. It can not only reduce harmful emissions, but also replace oil with coal indeed.
在传统柴油的煤基替代燃料当中，二甲醚特点突出，不但能够大幅降低有害排放，而且能够真正起到“以煤代油”的作用。
Prospects of Dimethyl ether (DME) is becoming clear, but the technology is not mature yet. The current DME in a diesel engine is still in the promotion of applied research and experimental.
二甲基醚(DME)应用前景明朗，但应用技术尚不成熟，目前二甲基醚在柴油机上进行推广应用还处于研究、实验阶段。
The experimental results show that in the power and torque ZS195 diesel engine fueled with low proportion DME is better than archetypal one.
结果表明：zs195柴油机燃用低比例二甲醚混合燃料其功率及扭距要好于原机。
DME can be used to replace diesel oil and LPG.
二甲醚可代替柴油和液化石油气。
The results show that DME operation has longer injection delay, lower maximum cylinder pressure, lower ratio of pressure rise, shorter ignition delay in comparison with diesel operation.
结果表明：与柴油相比，发动机燃用二甲醚时的喷油延迟期延长，滞燃期缩短，最高爆发压力和最大压力升高率均低于柴油机。
By using the model and detailed chemical kinetics of Dimethyl Ether(DME)oxidation, HCCI combustion of DME in a diesel engine is numerically simulated and tested.
采用该模型并利用二甲醚氧化的详细化学反应动力学机理，对二甲醚燃料在柴油机上的均质压缩燃烧HCCI进行了模拟计算和试验研究。
This paper presents the research results on combustion characteristics of a direct injection diesel engine operating on dimethyl ether (DME).
对直喷式柴油机燃用二甲醚的燃烧特性进行了研究。
Compared with fossil diesel, biodiesel from waste cooking oil, DME from natural gas or coal, and F-T diesel from natural gas have economic competition.
与石化柴油比较，以废弃食用油或泔脚油为原料的生物柴油，以天然气和煤为原料的DME以及以天然气为原料的F—T柴油具有经济竞争力。
The paper firstly proposes an idea which is adding a certain amount of non-standard diesel to DME to study on the engine fueled with non-standard diesel and DME.
本文首次提出了在二甲醚中加入一定量的非标柴油，开展车用柴油机燃用非标柴油-二甲醚混合燃料的研究。
Over 90% of DME in China is used to blend with LPG and the research on the use of DME in trucks as an alternative to diesel fuel is still in the early stage.
国内90%以上的二甲醚的应用领域仍集中在与液化石油气掺混方面，在替代柴油卡车的燃料方面的研究工作仍处于起步阶段。
ZS195 diesel engine fueled with high proportion DME exhaust contains no smoke, noise also decreases, and the NOX exhaust obviously decreases.
燃用高比例二甲醚燃料，可使发动机在全负荷范围内达到无烟排放，NO_x有较大幅度下降，噪声减小。
ZS195 diesel engine fueled with high proportion DME exhaust contains no smoke, noise also decreases, and the NOX exhaust obviously decreases.
燃用高比例二甲醚燃料，可使发动机在全负荷范围内达到无烟排放，NO_x有较大幅度下降，噪声减小。
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